AS8075 — MICROSOFT-CORP-MSN-AS-BLOCK Threat Intelligence

Network Threat Summary

AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK) has 36,583 malicious IP addresses with 1,834,273 abuse reports across 31 countries. First activity recorded 2022-07-06, most recent activity 2025-12-20.

Threat Profile: The primary attack categories observed from this network are suspicious activity, severe abuse, moderate threat. This network shows significant threat activity well above the global median, warranting enhanced monitoring. Affected countries include US, JP, KR.

Risk Assessment: HIGH - Significant threat activity originates from this network. Enhanced monitoring and aggressive IP blocking are recommended.

Top Attack Categories

• Suspicious Activity 850,622 reports
• Severe Abuse 754,935 reports
• Moderate Threat 67,685 reports
• High Threat 53,314 reports
• Aggregated Threat 39,132 reports

Top Affected Countries

• US 1,313,278 reports
• JP 238,375 reports
• KR 68,700 reports

Most Reported IPs

• 52.186.183.28 895 reports
• 135.220.173.110 708 reports
• 13.72.39.160 704 reports
• 20.120.227.37 665 reports
• 104.208.108.166 590 reports

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